diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9a63f30..cb7a803 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
         runs-on: ubuntu-latest
         strategy:
             matrix:
-                php: [ '8.1', '8.2' ]
+                php: [ '8.1', '8.2', '8.3' ]
                 prefer-lowest: [ '', '--prefer-lowest' ]
         steps:
             - uses: actions/checkout@master